CN211740229U - Centering rod correcting device - Google Patents

Centering rod correcting device Download PDF

Info

Publication number
CN211740229U
CN211740229U CN202020853653.5U CN202020853653U CN211740229U CN 211740229 U CN211740229 U CN 211740229U CN 202020853653 U CN202020853653 U CN 202020853653U CN 211740229 U CN211740229 U CN 211740229U
Authority
CN
China
Prior art keywords
centering rod
base plate
fixing
centering
correcting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020853653.5U
Other languages
Chinese (zh)
Inventor
韩明勇
周建
干坚定
任绍刚
瞿伟
匡春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Erju Co Ltd
China Railway Erju 5th Engineering Co Ltd
Original Assignee
China Railway Erju Co Ltd
China Railway Erju 5th Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Erju Co Ltd, China Railway Erju 5th Engineering Co Ltd filed Critical China Railway Erju Co Ltd
Priority to CN202020853653.5U priority Critical patent/CN211740229U/en
Application granted granted Critical
Publication of CN211740229U publication Critical patent/CN211740229U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The utility model relates to an engineering survey field, especially a centering rod correcting unit, including the base plate, be equipped with at least one spirit level on the base plate, still connect strutting arrangement on the base plate, strutting arrangement can adjust the levelness of base plate, still be connected with the fixed part on the base plate. The centering rod correcting device is used for correcting the centering rod without other measuring instruments, such as: the total station or theodolite is simple to operate, can be successfully corrected by only one corrector without repeatedly adjusting the centering rod, and has high working efficiency and short correction time; because the operation steps are few, the influence of human factors is less, and the correction precision is higher.

Description

Centering rod correcting device
Technical Field
The utility model relates to an engineering survey field, especially a centering rod correcting unit.
Background
In the measuring operation process, when a total station or an RTK is used for measuring, a centering rod is used, the centering rod comprises a rod body and a level gauge at the upper end of the rod body, and the using mode is divided into a support type and a handheld type. When the centering rod is used, the centering rod needs to be ensured to be in a plumb state, and whether the centering rod is in the plumb state or not is judged according to the level attached to the centering rod. In the use, because vibrations, transport, temperature or the reason such as the construction connection nature is not hard up, all can lead to the spirit level bubble fixing bolt not hard up, and the centering rod is not in the plummet state when leading to the spirit level, leads to measuring lofting point position mistake, in order to guarantee to measure lofting precision, must regularly check the centering rod.
At present, the method for correcting the centering rod mainly comprises the following steps: the total station or the theodolite is respectively matched with the centering rod bracket for correction operation, but the correction methods have the following defects:
it is necessary to resort to measuring instruments such as: the total station or theodolite needs more than two persons to cooperate for operation, needs to repeatedly adjust the total station, the centering rod and the like in multiple directions, has low working efficiency, needs to repeatedly correct for multiple times, has long correction time, and causes great influence on human factors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the centering rod correcting device aims at the problems that when a total station or a theodolite is adopted to correct a centering rod in the prior art, the centering rod correcting device needs to be operated by means of a measuring instrument and more than two persons, the total station, the centering rod and the like need to be adjusted repeatedly in multiple directions, the working efficiency is low, the centering rod needs to be corrected repeatedly for multiple times, the correction time is long, and the influence of human factors is large.
In order to realize the purpose, the utility model discloses a technical scheme be:
the centering rod correcting device comprises a base plate, wherein at least one level is arranged on the base plate, a supporting device is further connected to the base plate, the supporting device can adjust the levelness of the base plate, and a fixing part is further connected to the base plate.
The base plate provides a datum plane, the base plate is enabled to tend to be horizontal by adjusting the supporting devices, meanwhile, whether the base plate is in a horizontal state or not is judged through the levels, the levels can adopt circular levels or pipe levels, and when the number of the levels is larger than or equal to 2, all bubbles of the levels are centered, the base plate is in a horizontal state; the fixing part is used for enabling the centering rod to be perpendicular to the base plate and enabling the centering rod to be fixed on the base plate. When the centering rod is corrected, the centering rod is connected to the base plate through the fixing portion, the centering rod is perpendicular to the base plate, then the supporting device is adjusted to enable the base plate to be in a horizontal state, if the air bubble in the level on the base plate is centered, the air bubble in the level on the centering rod is not centered at the moment, the error of the centering rod is shown, the correction is needed, then the level on the centering rod is adjusted, the air bubble in the level on the centering rod is centered, the correction of the centering rod is completed, and at the moment, the air bubble in the level and the air bubble in the level on the centering rod on the base plate are both in a centered state. Correcting the centering rod by adopting the centering rod correcting device, wherein the centering rod correcting device further corrects the centering rod by simulating the environment that the centering rod is in a plumb state; it does not require the assistance of other measuring instruments, such as: the total station or theodolite is simple to operate, can be successfully corrected by only one corrector without repeatedly adjusting the centering rod, and has high working efficiency and short correction time; because the operation steps are few, the influence of human factors is less, and the correction precision is higher.
Preferably, the fixing portion includes a fixing sleeve, the fixing sleeve and the base plate are perpendicularly arranged, a through hole is formed in the base plate, the fixing sleeve is communicated with the through hole, at least two limiting parts are arranged inside the fixing sleeve, the limiting parts abut against the centering rod, a fixing part is further arranged on the fixing portion, and the fixing part is used for fixing the centering rod.
The fixing part comprises a fixing sleeve, the fixing sleeve can be a circular sleeve, a square sleeve and the like, the fixing part is convenient to process and provided with a limiting part and a fixing part, when the centering rod is installed, the limiting part is abutted to the centering rod, so that the centering rod is perpendicular to the base plate, and the fixing part is used for fixing the centering rod, such as clamping and fixing by a clamp or fixing by a bolt. The centering rod is characterized in that a through hole is formed in the base plate, the fixing sleeve is perpendicularly arranged at the position of the through hole of the base plate, the fixing sleeve is communicated with the through hole, and the centering rod penetrates through the through hole and is fixed in the fixing sleeve. When the centering rod correcting device is used, the upper end of the centering rod penetrates through the through hole and extends into the fixing sleeve, then the centering rod is installed according to the limiting piece, the centering rod is perpendicular to the base plate and then fixed by the fixing piece, and then the centering rod is corrected.
Preferably, the limiting member includes a strip-shaped protrusion arranged along the axial direction of the fixing sleeve, an outer wall of the protrusion is perpendicular to the base plate, and the outer wall of the protrusion is used for abutting against the centering rod.
When the centering rod is installed, the outer wall of the centering rod is abutted to the outer walls of the two strip-shaped convex blocks for installation and then fixed by the fixing piece, the two convex blocks are respectively in line contact with the centering rod along the axial direction of the fixing sleeve, the outer walls of the convex blocks are perpendicular to the base plate, and the centering rod is perpendicular to the base plate. The centering rod is installed through the convex blocks, so that the installation process of the centering rod is more convenient and quicker, the perpendicularity of the centering rod and the base plate is limited through the convex blocks, namely the perpendicularity of the centering rod and the base plate is limited through two contact lines of the convex blocks and the centering rod along the axial direction of the fixed sleeve, the centering rod is perpendicular to the base plate, the precision is higher, and the correction effect of the centering rod is better. Of course, the projection may be cylindrical, semi-cylindrical, or the like, and a contact surface of the projection abutting against the centering rod needs to be perpendicular to the base surface.
Preferably, the fixing piece is a bolt group, the bolt group comprises a bolt, a gasket and a screw, and the gasket is used for abutting against the centering rod.
The fixing piece adopts a bolt group to fix the centering rod, the gasket can increase the contact area, reduce the concentrated stress of the bolt group on the centering rod, avoid the damage of the bolt on the centering rod, effectively fix the centering rod, and when the aperture of the fixing sleeve and the aperture of the through hole are larger, realize the correction of the centering rods with different diameters by adjusting the bolt, if the size is larger than 35mm, fix the centering rods with the diameters phi 25mm, phi 30mm and phi 35mm, and then correct the centering rod; by adopting the mode, the centering rod correcting device can correct centering rods with various diameters, the function is more complete, the production of the centering rod correcting devices with different sizes is reduced, and the cost is saved.
Preferably, the gasket is a hard rubber member, avoids the gasket abutting on the centering rod, and meanwhile avoids the gasket abutting on the centering rod to cause damage to the centering rod, and elastic deformation is generated during centering of the gasket abutting on the centering rod, so that the centering rod is better in fixing effect, and further error is generated during correction of the centering rod.
Preferably, two pipe levels are arranged on the base plate and are perpendicular to each other.
Whether the base plate is in a horizontal state or not is judged by using the tube level, so that the precision is higher; and through setting up two perpendicular pipe spirit levels that set up, it is right simultaneously two cross direction of base plate carry out the level and judge, can improve the horizontal precision of base plate, and then improve the correction precision of centering rod.
Preferably, the support means comprises three legs, three of the legs being connected to the underside of the base plate, each of the legs being adjustable in length.
It is three the landing leg adopts triangle arrangement mode right the base plate supports, and the supporting effect is better, avoids rectifying during the centering rod correcting unit rocks or emptys.
Preferably, the supporting legs are telescopic rods, and the telescopic rods are detachably connected to the base plate.
The telescopic rod can adopt a sliding telescopic mode or a spiral telescopic mode and is used for adjusting the levelness of the base plate, so that the adjusting process is quicker. Just the telescopic link can dismantle connect in the base plate, be convenient for equipment and dismantlement, portable.
Preferably, the telescopic rod is an aluminum alloy member.
Preferably, the telescopic link includes section one and section two, be equipped with adjusting sleeve between section one and the section two, the inside screw thread that is equipped with of adjusting sleeve, a section one end threaded connection base plate, other end threaded connection in adjusting sleeve one end, two one end threaded connection in the adjusting sleeve other end, the other end are equipped with most advanced.
The telescopic rod is in threaded connection with the base plate, so that the centering rod correction device is convenient to assemble and disassemble, and is further convenient to carry; just the telescopic link adopts the flexible mode of spiral, and it is through adjusting section one with section two respectively precession adjusting sleeve's length, and then the adjustment the length of telescopic link makes the base plate level, just section one section two with the sleeve adopts thin tooth screw thread, can be right the length of telescopic link finely tunes, makes levelness precision after the base plate is adjusted is higher, and then improves centering rod correcting unit's correction precision. And the tip makes the centering rod correcting device more stable to place.
Preferably, the base plate and the fixing portion are both aluminum alloy members, so that the durability of the centering rod correcting device is improved, and meanwhile, the cost is saved.
Preferably, the base plate and the fixing part are of an integrally formed structure, and the correction precision of the centering rod correction device is improved.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. correcting the centering rod by adopting the centering rod correcting device, wherein the centering rod correcting device further corrects the centering rod by simulating the environment that the centering rod is in a plumb state; it does not require the assistance of other measuring instruments, such as: the total station or theodolite is simple to operate, can be successfully corrected by only one corrector without repeatedly adjusting the centering rod, and has high working efficiency and short correction time; because the operation steps are few, the influence of human factors is less, and the correction precision is higher.
2. The centering rod correction device can quickly install the centering rod according to the convex block in the fixing sleeve, and can improve the installation precision of the centering rod, so that the correction precision of the centering rod is improved; the fixing part can fix centering rods with different diameters, so that the centering rods with different diameters can be corrected; and the centering rod correcting device has simple structure and low manufacturing cost, can be assembled and disassembled, and is convenient to carry.
Drawings
Fig. 1 is a perspective view of the centering rod correcting apparatus in embodiment 1;
fig. 2 is a plan view of the centering rod correcting device in embodiment 1;
fig. 3 is a schematic structural view of the leg described in embodiment 1.
Icon: 1-a support leg; 11-segment one; 12-segment two; 13-an adjustment sleeve; 121-tip; 2-a base plate; 3-a fixed part; 31-a stop; 32-a fastener; 4-a level.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
The embodiment provides a centering rod correcting device, see fig. 1-2, including base plate 2, be equipped with at least one spirit level 4 on base plate 2, still connect strutting arrangement on base plate 2, strutting arrangement can adjust the levelness of base plate 2, still be connected with fixed part 3 on base plate 2.
The base plate 2 provides a reference surface, the base plate 2 is made to tend to be horizontal by adjusting the supporting device, and whether the base plate 2 is in a horizontal state or not is judged by the level 4, the level 4 can adopt a round level or a tube level, and when the number of the level 4 is greater than or equal to 2 and all bubbles of the level 4 are centered, the base plate 2 is in a horizontal state; the fixing part 3 is used for enabling the centering rod to be perpendicular to the base plate 2 and enabling the centering rod to be fixed on the base plate 2. When the centering rod is corrected, the centering rod is connected to the base plate 2 through the fixing part 3, the centering rod is perpendicular to the base plate 2, then the supporting device is adjusted to enable the base plate 2 to be in a horizontal state, if the air bubbles in the level 4 on the base plate 2 are centered, the air bubbles in the level on the centering rod are not centered at the moment, the error of the centering rod is shown, the correction is needed, then the level on the centering rod is adjusted to enable the air bubbles in the level on the centering rod to be centered, the correction of the centering rod is completed, and at the moment, the air bubbles in the level 4 on the base plate 2 and the air bubbles in the level on the centering rod are all in a centered state. Correcting the centering rod by adopting the centering rod correcting device, wherein the centering rod correcting device further corrects the centering rod by simulating the environment that the centering rod is in a plumb state; it does not require the assistance of other measuring instruments, such as: the total station or theodolite is simple to operate, can be successfully corrected by only one corrector without repeatedly adjusting the centering rod, and has high working efficiency and short correction time; because the operation steps are few, the influence of human factors is less, and the correction precision is higher.
Specifically, base plate 2 is a fillet equilateral triangle aluminum alloy plate, is equipped with the through-hole in the middle of it, base plate 2 through-hole department is connected with fixed part 3, fixed part 3 includes fixed sleeve, and it can adopt circular sleeve, square sleeve etc. its processing is convenient. The thickness of the fixed sleeve is 3 mm-5 mm, and the height is 50 mm. The fixed sleeve and the base plate 2 are vertically arranged, so that the fixed sleeve is communicated with the through hole, the fixed sleeve and the through hole have the same size, and the centering rod can conveniently penetrate through the through hole and be fixed in the fixed sleeve. The inside of fixed sleeve is equipped with two at least locating parts 31, in this embodiment, adopts two locating parts 31, locating part 31 includes along the axial setting's of fixed sleeve strip lug, the outer wall perpendicular to of lug base plate 2, the outer wall of lug is used for the butt centering rod. The two projections are used to make the centering rod perpendicular to the base plate 2, but the projections may also be cylindrical, semi-cylindrical, etc., and their contact surfaces against the centering rod need to be perpendicular to the base surface.
The fixing portion 3 is further provided with a fixing member 32, and the fixing member 32 is used for fixing the centering rod, for example, a clamp is used for clamping and fixing or a bolt is used for fixing and the like. In this example, the fixing member 32 is a bolt set including a bolt, a washer and a screw, and the washer is used for abutting against the centering rod. Specifically, the diameter of the bolt is phi 10mm, the length of the bolt is 40mm, the end of the bolt is provided with a threaded hole with the diameter of phi 2mm and the depth of 5mm, the diameter of the washer is phi 18mm, the thickness of the washer is 10mm, and the diameter of the screw is phi 2mm, and the length of the screw is 15 mm. In this embodiment, the opposite surfaces of the two protrusions are flat surfaces, a screw hole is formed in the middle of each flat surface, a screw rod of the bolt penetrates through the screw hole, the gasket is screwed at the end part, far away from the nut, of the screw rod, the gasket is limited by the screw, and the gasket is abutted to the centering rod by adjusting the movement of the screw rod in the screw hole, so that the centering rod is fixed. When the aperture of the fixing sleeve and the aperture of the through hole are larger, the centering rods with different diameters can be corrected by adjusting the bolt, in the embodiment, when the aperture size of the fixing sleeve and the aperture size of the through hole are larger than 35mm, the centering rods with the diameters of phi 25mm, phi 30mm and phi 35mm can be fixed, and then the centering rods are corrected; by adopting the mode, the centering rod correcting device can correct centering rods with various diameters, the function is more complete, the production of the centering rod correcting devices with different sizes is reduced, and the cost is saved.
In this embodiment, the gasket can increase area of contact, reduces the bolt group is right the centering rod produces concentrated stress, avoids the bolt is right the centering rod causes the damage, just the gasket is the stereoplasm rubber component, avoids the gasket butt is right during the centering rod to the centering rod causes the damage, avoids simultaneously the gasket butt produces elastic deformation during the centering rod, makes the fixed effect of centering rod is better, and then reduces the correction produce the error during the centering rod. When the centering rod is installed, the outer wall of the centering rod is abutted to the outer walls of the two strip-shaped convex blocks for installation and then fixed by the fixing piece 32, the two convex blocks are respectively in line contact with the centering rod along the axial direction of the fixing sleeve, the outer walls of the convex blocks are perpendicular to the base plate 2, and the centering rod is further perpendicular to the base plate 2. The centering rod is installed through the convex blocks, so that the installation process of the centering rod is more convenient and quicker, the perpendicularity of the centering rod and the base plate 2 is limited through the convex blocks, namely the perpendicularity of the centering rod and the base plate 2 is limited through two convex blocks and two contact lines of the centering rod along the axial direction of the fixed sleeve, the accuracy of the centering rod perpendicular to the base plate 2 is higher, and the centering rod is better in correction effect
The base plate 2 is further provided with two leveling devices 4, as shown in fig. 2, the leveling devices 4 are tube leveling devices, nominal accuracy of the two tube leveling devices is 30 "/2 mm, and the two tube leveling devices are vertically arranged. The tube level is used for judging whether the base plate 2 is in a horizontal state or not, and the precision is higher; and through setting up two perpendicular settings the pipe spirit level is right simultaneously two cross direction of base plate 2 carry out the level and judge, can improve the horizontal precision of base plate 2, and then improve the correction precision of centering rod.
In this embodiment, strutting arrangement includes three landing leg 1, triangle-shaped base plate 2 is close to every corner point and has been put a down connection bowl, and three connection bowls mutually become 120 contained angles, and the bowl axis is according to 1 with base center line direction: the 0.3 slope leans out to guarantee the stability after the installation. Three landing legs 1 are connected to the bottom surface of base plate 2, and the length of each landing leg 1 is adjustable. Specifically, landing leg 1 is the telescopic link, the telescopic link is the aluminum alloy component, the telescopic link can dismantle connect in base plate 2. The telescopic rod can adopt a sliding telescopic mode or a spiral telescopic mode and is used for adjusting the levelness of the base plate 2, so that the adjusting process is quicker. Just the telescopic link can dismantle connect in base plate 2, be convenient for equipment and dismantlement, portable. Preferably, the telescopic link adopts the spiral flexible mode, refer to fig. 3, the telescopic link includes section one 11 and section two 12, section one 11 and section two 12 all adopt the wall thickness to be 2mm diameter phi 20mm aluminum alloy pipe, be equipped with adjusting sleeve 13 between section one 11 and section two 12, adjusting sleeve 13 is inside to be equipped with the screw thread, adjusting sleeve 13 one end is positive silk one end and is the contrary silk, two kinds of silks respectively account for adjusting sleeve 13's half, promptly section one 11 one end threaded connection on the connecting bowl on base plate 2, other end threaded connection in adjusting sleeve 13 one end, section two 12 one end threaded connection in adjusting sleeve 13 the other end, the other end is equipped with pointed end 121, pointed end 121 makes centering rod correcting unit place more steadily. The telescopic rod is in threaded connection with the base plate 2, so that the centering rod correction device is convenient to assemble and disassemble, and is further convenient to carry; and it is through adjusting section one 11 with section two 12 precession respectively adjusting sleeve 13's length, and then the adjustment the length of telescopic link makes 2 levels of base plate, just section one 11 section two 12 with the sleeve adopts thin tooth screw thread, can be right the length of telescopic link finely tunes, makes the levelness precision after base plate 2 adjusts is higher, and then improves centering rod correcting unit's correction precision.
As a preferred embodiment, the base plate 2 and the fixing portion 3 are integrally formed, so that the correction accuracy of the centering rod correction device is improved.
When the centering rod correcting device is used for correcting the centering rod, the centering rod is firstly installed on the centering rod correcting device, so that the centering rod is perpendicular to the base plate 2, then the level on the centering rod is adjusted to enable the air bubbles in the centering rod to be centered, and the correction of the centering rod is completed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The centering rod correcting device is characterized by comprising a base plate (2), wherein at least one level (4) is arranged on the base plate (2), a supporting device is further connected to the base plate (2), the supporting device can adjust the levelness of the base plate (2), and a fixing part (3) is further connected to the base plate (2).
2. A centering rod correcting device as claimed in claim 1, wherein the fixing portion (3) comprises a fixing sleeve, the fixing sleeve is arranged perpendicular to the base plate (2), a through hole is formed in the base plate (2), the fixing sleeve is communicated with the through hole, at least two limiting members (31) are arranged inside the fixing sleeve, the limiting members (31) are used for abutting against the centering rod, a fixing member (32) is further arranged on the fixing portion (3), and the fixing member (32) is used for fixing the centering rod.
3. A centering rod correction device as claimed in claim 2, characterized in that said retaining member (31) comprises a strip-like projection arranged in the axial direction of the fixing sleeve, the outer wall of said projection being perpendicular to the base plate (2), the outer wall of said projection being intended to abut against the centering rod.
4. A centering rod correcting device according to claim 2, wherein the fixing member (32) is a bolt group including a bolt, a washer and a screw, the washer being for abutting against the centering rod.
5. A centering rod correcting device according to claim 4, wherein the spacer is a hard rubber member.
6. A centering rod correcting device according to any one of claims 1 to 5, wherein two tube levels are provided on the base plate (2), the two tube levels being disposed perpendicular to each other.
7. A centering rod correcting device according to any one of claims 1 to 5, characterized in that the supporting means comprises three legs (1), three of the legs (1) being connected to the bottom surface of the base plate (2), the length of each of the legs (1) being adjustable.
8. A centering rod correction device according to claim 7, characterized in that the leg (1) is a telescopic rod which is detachably connected to the base plate (2).
9. The centering rod correcting device of claim 8, wherein the telescopic rod comprises a first section (11) and a second section (12), an adjusting sleeve (13) is arranged between the first section (11) and the second section (12), threads are arranged inside the adjusting sleeve (13), one end of the first section (11) is in threaded connection with the base plate (2), the other end of the first section is in threaded connection with one end of the adjusting sleeve (13), one end of the second section (12) is in threaded connection with the other end of the adjusting sleeve (13), and the other end of the second section is provided with a tip (121).
10. A centering rod correcting device according to any one of claims 1 to 5, wherein the base plate (2) and the fixing portion (3) are both aluminum alloy members.
CN202020853653.5U 2020-05-20 2020-05-20 Centering rod correcting device Active CN211740229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020853653.5U CN211740229U (en) 2020-05-20 2020-05-20 Centering rod correcting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020853653.5U CN211740229U (en) 2020-05-20 2020-05-20 Centering rod correcting device

Publications (1)

Publication Number Publication Date
CN211740229U true CN211740229U (en) 2020-10-23

Family

ID=72851867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020853653.5U Active CN211740229U (en) 2020-05-20 2020-05-20 Centering rod correcting device

Country Status (1)

Country Link
CN (1) CN211740229U (en)

Similar Documents

Publication Publication Date Title
CN109277841B (en) Thin-wall pipe inner support tool
KR20110045814A (en) Multipurpose surveying instrument
CN211740229U (en) Centering rod correcting device
CN203365228U (en) Residual stress measuring and positioning device
CN208140000U (en) A kind of diameter of bore measuring tool
CN201645222U (en) Large-diameter bolt ball processing fixture
CN211122379U (en) Concrete resiliometer
CN211373607U (en) Horizontal positioner for home decoration
CN203177882U (en) Measuring instrument support frame
CN210662159U (en) Total station
CN211651487U (en) Threaded hole verticality measuring device
CN203758475U (en) Crankshaft detection supporting frame
CN220912317U (en) Simple correction device for measuring centering rod
CN205449098U (en) Quick detection and correction device of prism pole
CN215413736U (en) Laser emitter adjusting device
CN211541098U (en) A appurtenance for assembled wall punches perpendicularly
CN220398694U (en) Special high-precision weighing module for liquid injection machine
CN212646597U (en) Pillar tube supporting device
CN218545751U (en) Optical probe fixing device capable of adjusting observation angle
CN219956535U (en) Practical base forced centering and leveling platform
CN209892970U (en) Environmental vibration monitoring auxiliary measuring device
CN209830971U (en) Milling machine fixture for milling sleeve
CN211760903U (en) Welding ball net rack assembling mould convenient to adjust
CN212330090U (en) Angle tester and welding machine
CN212748632U (en) Table edge fixing device of Jolly balance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant